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Q. What is compound?
A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they are in a mixture. In its place they are combined in a way such that the compound has properties that are different from those of the elements of which it is composed. Every compound is represented by a formula a combination of the symbols of the elements that make up the compounds. You may already recognize some chemical formulas such as H2O for water, NaCl for table salt and NH3 for ammonia.
sketch of a polarographic current potential curve
How to know which compound is more stable if heat of formation values are given . Ans) Every compound tend to stay in lowest energy possible to be more stable, the less the energy
Homocyclic or Carbocyclic - Closed Chain Compounds Homocyclic are the compounds that comprising a ring or rings of carbon atoms just only in the molecule. The homocyclic or c
lanthanoids with +4 o.s act as strong oxidising agents even though it is in stable configuration f zero
Caesiurn chloride crystallises as a body centred cubic lattice and has a density of 4.0 g cm -3 . Calculate the length of the edge of the unit cell of caesium chloride crystal.
saltness analysis of inrganic premiliminary test
Existence of positively charged nucleus was established by: (1) Positive ray analysis (2) α -ray scattering experiments () X-ray analysis (4) Discharge tube exper
Nitrite rubbers (Gr-A or Buna-N or NBR): Nitrite rubber is prepared by the copolymerization of butadiene and acrylonitrile in emulsion systems. Properties: 1.
concentration on acetic acid
Draw the line-bond structure of the nucleotide 2'-deoxyadenosine 5'-monophosphate (damp, disodium salt) and of the bases cytosine, guanine, and thymine. Indicate the correct hy
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